Information disclosure in Red Hat OpenShift Container Platform

1) Information disclosure

EUVDB-ID: #VU65769

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-2403

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the private key for the external cluster certificate is stored incorrectly in the oauth-serving-cert ConfigMaps and accessible to any authenticated OpenShift user or service-account. A remote user can read the oauth-serving-cert ConfigMap in the openshift-config-managed namespace and compromise any web traffic secured using that certificate.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenShift Container Platform: 4.10 - 4.10.23

External links

http://bugzilla.redhat.com/show_bug.cgi?id=2101959
http://access.redhat.com/errata/RHSA-2022:5664

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.